Message ID | 20220830193738.27802-1-rdunlap@infradead.org |
---|---|
State | New |
Headers | show
Return-Path: <SRS0=Ex/X=ZC=vger.kernel.org=sparclinux-owner@ozlabs.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org (client-ip=2404:9400:2221:ea00::3; helo=gandalf.ozlabs.org; envelope-from=srs0=ex/x=zc=vger.kernel.org=sparclinux-owner@ozlabs.org; receiver=<UNKNOWN>) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=bTem0HI6; dkim-atps=neutral Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4MHHdv6Bmgz1yhR for <incoming@patchwork.ozlabs.org>; Wed, 31 Aug 2022 05:37:55 +1000 (AEST) Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4MHHdv63yRz4x3w for <incoming@patchwork.ozlabs.org>; Wed, 31 Aug 2022 05:37:55 +1000 (AEST) Received: by gandalf.ozlabs.org (Postfix) id 4MHHdv5zPgz4xGC; Wed, 31 Aug 2022 05:37:55 +1000 (AEST) Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: gandalf.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=sparclinux-owner@vger.kernel.org; receiver=<UNKNOWN>) Authentication-Results: gandalf.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=bTem0HI6; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4MHHdt0zGLz4x3w for <patchwork-incoming@ozlabs.org>; Wed, 31 Aug 2022 05:37:54 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230214AbiH3Thx (ORCPT <rfc822;patchwork-incoming@ozlabs.org>); Tue, 30 Aug 2022 15:37:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57978 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230117AbiH3Thw (ORCPT <rfc822;sparclinux@vger.kernel.org>); Tue, 30 Aug 2022 15:37:52 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC56661B1A; Tue, 30 Aug 2022 12:37:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=L6awvjwg9m446Cc0NaY17Ohs5TKfbD/iLDd614/eBJE=; b=bTem0HI6OUZpSypgfJGXXqd3Y3 7CowSAzXAEMztBafjK2JmKBKy3Kjah5mOEElJ56pmPZTYS7/k2hTxfgWgQLyhBfyObkxINL13UaF4 KCYlaNiNDChZwrHorCdrEeKlBDtoe0Rhlr/vOw1Wcu3MSX+HLlV8/+t9pCs+Ra2enI8EW1IzKdIcH ihiKGiU4ch5fyPXkI7EnfcEIZXhfwEoCttFmpY3OMkLUnrIx58uw6fwiwAnGf+s0271TKv+GmONO4 MgPfaOX4pnNtxobp6Lxx08zz3ayPPlQqs9muBEhJEo57T+4iSulrZWGnXytB36Q7zaa8x9sglFkmN GvlduvLw==; Received: from [2601:1c0:6280:3f0::a6b3] (helo=casper.infradead.org) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1oT73R-004Ms3-8y; Tue, 30 Aug 2022 19:37:46 +0000 From: Randy Dunlap <rdunlap@infradead.org> To: linux-kernel@vger.kernel.org Cc: Randy Dunlap <rdunlap@infradead.org>, Igor Zhbanov <izh1979@gmail.com>, "David S. Miller" <davem@davemloft.net>, sparclinux@vger.kernel.org, Dan Carpenter <dan.carpenter@oracle.com>, Nick Alcock <nick.alcock@oracle.com>, Sam Ravnborg <sam@ravnborg.org>, Andrew Morton <akpm@linux-foundation.org>, stable@vger.kernel.org Subject: [PATCH v3] sparc: vDSO: fix return value of __setup handler Date: Tue, 30 Aug 2022 12:37:38 -0700 Message-Id: <20220830193738.27802-1-rdunlap@infradead.org> X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <sparclinux.vger.kernel.org> X-Mailing-List: sparclinux@vger.kernel.org |
Series |
[v3] sparc: vDSO: fix return value of __setup handler
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--- a/arch/sparc/vdso/vma.c +++ b/arch/sparc/vdso/vma.c @@ -449,9 +449,8 @@ static __init int vdso_setup(char *s) unsigned long val; err = kstrtoul(s, 10, &val); - if (err) - return err; - vdso_enabled = val; - return 0; + if (!err) + vdso_enabled = val; + return 1; } __setup("vdso=", vdso_setup);
__setup() handlers should return 1 to obsolete_checksetup() in init/main.c to indicate that the boot option has been handled. A return of 0 causes the boot option/value to be listed as an Unknown kernel parameter and added to init's (limited) argument or environment strings. Also, error return codes don't mean anything to obsolete_checksetup() -- only non-zero (usually 1) or zero. So return 1 from vdso_setup(). Fixes: 9a08862a5d2e ("vDSO for sparc") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: Igor Zhbanov <izh1979@gmail.com> Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Cc: Dan Carpenter <dan.carpenter@oracle.com> Cc: Nick Alcock <nick.alcock@oracle.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: stable@vger.kernel.org --- v2: correct the Fixes: tag (Dan Carpenter) v3: add more Cc's; correct Igor's email address; change From: Igor to Reported-by: Igor; arch/sparc/vdso/vma.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)